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THE IRON AGE New York, September 9, 1920 ESTABLISHED 1855 American Society —Second Annual ican Steel Treaters’ Society has been a promi- nent feature of the recent history of American technical societies. From small beginnings only two years ago, this organization has taken its place among the larger societies until to-day it comprises an aggregation of local chapters situated in many of the leading cities of the country, as well as one in Canada, and comprising among its membership metallurgists and steel-treating experts in the iron, steel and metal working industries. While the growth has been phenomenal on the surface, the explanation is readily deduced. The application of electricity to the steel industry in general as a source of heat energy has made possible the production of a large number of ferroalloys, which in turn have given rise to the production of numerous. alloy steels. The manu- facture of such steels, containing chromium, nickel, vanadium, tungsten, molybdenum, urani- um, cobalt, ete., in Various combina- tions has been made possible on an exten- sive scale, Such steels, as well as plain carbon steels, have been brought to their greatest degree of usefulness and …
THE IRON AGE New York, September 9, 1920 ESTABLISHED 1855 American Society —Second Annual ican Steel Treaters’ Society has been a promi- nent feature of the recent history of American technical societies. From small beginnings only two years ago, this organization has taken its place among the larger societies until to-day it comprises an aggregation of local chapters situated in many of the leading cities of the country, as well as one in Canada, and comprising among its membership metallurgists and steel-treating experts in the iron, steel and metal working industries. While the growth has been phenomenal on the surface, the explanation is readily deduced. The application of electricity to the steel industry in general as a source of heat energy has made possible the production of a large number of ferroalloys, which in turn have given rise to the production of numerous. alloy steels. The manu- facture of such steels, containing chromium, nickel, vanadium, tungsten, molybdenum, urani- um, cobalt, ete., in Various combina- tions has been made possible on an exten- sive scale, Such steels, as well as plain carbon steels, have been brought to their greatest degree of usefulness and relia- bility primarily by the application to them various heat-treating proc- esses and apparatus. The expansion in the automotive industry as well as the pro- duction of high quality steels, light in weight, has a “a erated. Increased efficiency in the tool- Industry has also resulted. The consequence satay Widespread demand for steel heat- ting phances and for men skilled in heat- ethods and for research work. T HE development and rapid growth of the Amer- of COL. A. E. WHITE treating ny he ear] ° 4 . ay ‘rly history of the formation of the Ameri- Stee] roagt ’ ‘ . e ' se “cel Lreaters’ Society is related substantially . . in the early part of September, 1918, ‘ted men mailed a letter to others in President and Secretary of American Society for Steel Treating VOL. 106: No. 11 for Steel Treating Brief History of Developments Leading Up to Its Formation—A National Research Laboratory Convention and Exhibition BY EDWIN F. CONE and about Chicago, suggesting the formation of a society for the study and development of the art of heat treating steel and asking them to attend a dinner at the City Club, that city, on Sept. 18, to discuss the project. This letter brought an enthusi- astic response which resulted in an organization and the election of officers. Immediately thereafter the officers met, estab- lished certain committees and appointed men to fill them. It was decided that the first and greatest serv- ice to be given was the publication of a magazine which would provide for a permanent record of the society’s activities and progress and furnish also to each member valuable technical information. The first issue of the Journal appeared in October, 1918, and it has been published monthly ever since, except in July and August. Without a sample copy the promoters succeeded in securing about $450 worth of adver- tising, collectable 30 days after the issue. There were 4000 copies of the first is- sue printed. Soon after this, the work connected with handling the so- ciety’s affairs be- came so great that it was decided to em- ploy a business man- ager, the secretary then being A. G: Henry, metallurgist, Illinois Tool Works, Chicago, and the president, T. E. Bar- ker, production engi- neer, Miehle Print- ing Press & Mfg. Co., also of Chicago. One of the applicants for the position, after studying the society’s affairs, pre- sented a budget for the first year’s activities which was of somewhat staggering proportions. The man who was selected, William H. Eisenman, said at the time: W. H. EISENMAN I have examined your affairs. I have unlimited con- fidence in the future development of your society, so much so that I shall be glad to cast my lot with yours and let my salary depend upon the results attained, you to name it. The work appeals to me and I feel 629 Sicediidmmeina tee dE a 630 that I can contribute largely to the realiza- tion of the objects which you have in view. Aside from the fact that his previ- ous experiences well qualified him for the position, his un- bounded enthusiasm appealed to the offi- cers, and, quent developments have shown, no mis- take was made in the selection. It to the credit of this former business manager and present executive secretary that the new organ- ization has grown to its present size and as subse- is T. E. BARKER Vice-President for Two Years importance. The principle was rec- ognized that, to a society of its na- ture, competent business manage- ment is as essential as to an indus- trial enterprise. The new business manager set about organizing local chapters in various centers, the method pursued being a visit to such cities, the selec- tion and acquaintance of the right men in the local industries, the call- ing of an informal meeting or din- ner of a few so-called charter mem- bers, the launching of the local chap- ter with a public meeting of all in- terested in heat treatment in any of its phases. To Cleveland belongs the honor of first nurturing a local chapter. This was in January, 1919. Then came Pittsburgh on Feb. 24, with Milwaukee on March 5. Philadelphia joined the new society on March 21, followed by Cincinnati on April 18, Buffalo on May 9, Rochester, N. Y., on May 12 and New York City on May 1919. Within three months and five days, eight chapters were organized. Then came the organization’s first national con- vention and exhibition at Chicago during the week of Sept. 22, 1919. It was featured by an array of papers that would have been creditable to a much older society and by an exhibition of steel-treating appliances, processes and products which excited the admiration of experienced technical convention and exhibition promoters. Since that convention been organized as follows: v= North West Chapter, Minneapolis. Tri-City Chapter, Rock Island, Il. St. Louis Chapter, St. Louis. Lehigh Valley Chapter, Easton, Pa. New Haven Chapter, New Haven, Conn. Providence Chapter, Providence, R. I. Springfield Chapter, Springfield, Mass. Bridgeport Chapter, Bridgeport, Conn. Boston Chapter, Boston. Baltimore Chapter, Baltimore. Toronto Chapter, Toronto, Can This brings the total to 20. The Detroit terri- tory will be represented by a chapter there when W. 8. Treasurer of 99 23, ~ 11 more chapters have THE IRON AGE September 9, 1929 the amalgamation of the Steel Treating Research Society, already authorized, takes effect next wee, Each chapter has, as officers and executive commit. tees, men identified with the leading indy the steel and metal-working fields in the r: territories. Some years ago there was organized Detri a technical society under the title Stee Research Society. This never developed ties outside of that particular territory, one of the most important ones in the country. Ay tomobile companies are extensive users of he: treating processes and equipment. One of the no} ble developments of the past year has been the cessful campaign for the amalgamation of this s ciety with the larger but newer organization. |; has been a matter of general satisfaction that { was brought about, thus eliminating any likeli} of rivalry and insuring full co-operation for th science as a whole. The Steel Treating Resear Society has joined the American Steel Treaters’ S ciety in its convention and exhibition next week Philadelphia and the first days’ sessions will co: plete the amalgamation of the two societies int: American Society for Steel Treating The result of the ballot on amal- gamation showed that but 34 cast against the amalgamation, and consequently, by the adoption of the constitution therewith submitted, the nomintaing committee provided for in that report held a meeting in Pittsburgh and recommended the election of the following officers: were For president, one year: Col. A. E White, professor chemical engineering University of Michigan, Ann Arbor, Mich. For vice-president, one year: T Lynch, research engineer, Westingh Electric & Mfg. Co., East Pittsburg Pa. For vice-president, two years E. Barker, production engineer, Mie! Printing Press & Mfg. Co., Chicag For secretary, two years: W. 1 Eisenman, 208 North Wabash Avenu Chicago. For treasurer, one year: W 5 Biddle, president W. S. Biddle Co., 14)! East Forty - fifth Street, Cleveland. For directors, two years: Howard J. Stagg, assistant man- ager Halcomb Steel Co., Syracuse, N. Y.; E. J. Janitzky, metal- BIDDLE the Society lurgist Illinois Steel Co., South Chicago, Til. For directors, one year: A. F. MacFar- land, metallurgist Va- nadium Alloys Steel Co., Latrobe, Pa.; W. C. Peterson, metal- lurgist Packard Motor Car Co., Detroit. The ballots have been prepared and sent out to the active members of both so- cieties and will be turned over to the oni tellers of election H. J. ST: One Year on the first day of Director for September 9, 1920 THE IRON AGE 631 onvention in Philadelphia, Sept. 14. Both so- Noonday Luncheo tio will continue to function independently until ee ae eee toe 7 ‘ national off rs W irst day of the convention. have a_ busines ine of the latest developments in the organiza- meeting and lu plans is that negotiations are under way be- en at Cc ’ * * . - Cc } \ . the amalgamation committee, which for the uM being is acting in the interest of both societies, aoe ae the United States Department of the Interior ‘ . . ver rs reference to the establishment of a national ;, 19-39 » irch laboratory in the Bureau of Mines Building Exh tsburgh. If these plans mature—and there is from 9 reason to expect they will—a laboratory de- ” ™ exclusively to research work in the art of THURSDA treatment will be established and conducted a er the supervision and at the expense of the “o"mmg ® . . . ’ r . . 10 to a erican Society for Steel Treating. No commer- ‘: work in this laboratory will be done nor will rhe de ercial interests be allowed to influence it. national oft Y . - . . . . ive n \nnual Convention and Exhibition in — en at «t hl. - il Museun Philadelphia “ nd a . 2 to 4:30 p 4. F. MACFARLAND HE second annual convention and national ex- /' l , : : : ; se a se Thursday Eve Director for One Year hibition of the American Steel Treaters’ So- ¢.39 » share in which the Steel Treating Research Society Informa inqui Detroit joins, will be held in Phil- ( n i Ball Room of . 5 1e-St 1 He ke $5 adelphia next week, Sept. 14 to 18, ; ; > ai : ‘ ° I 1 guest ire invited an wi in the Commercial Museum, where Ticket ul secretary's the large foundrymen’s exhibition the main entrance t was held last year. A program of x ha Secure your tickets ear ry ° . sea £ i t\ rY S } he over 70 papers dealing with heat- ” a. : os . Dal Wil 1aares i ine! treating problems, processes and ap- if ms paratus has been prepared. The Ex} , da m exhibition proper will be partici- FI pated in by over 125 nationally T _— Philad 1 will known firms, and over 80,000 sq. ft. ev d of floor space will be used to dis- Eve ) Sess p. m.—Informal play heat-treating appliances and oe and PI ore ve a te Chapt the « r room t } selle heat-treated products. While the vmeetiet 7 first exhibition at Chicago was suc- Exhibition ope essful beyond the expectation of its a as — loli cota ters, the one this year is pre- Exhibition open from 9 a. 1 6 m | to excel that one three to one agnitude and to be the largest The entertainment program for ts kind ever held anywhere. the ladies will be in charge of Mrs. D. K. Bullens, chairman of the la- “rogram of the Convention dies’ entertainment committee. The he preliminary program is as T. D. LYNCH RODTGUEETENS WEE SO 0 Sie TaeEe WS: se eae i nine floor of the Bellevue-Stratford ‘A. ‘aS ant ae | > "eas our . - : Vice-President for One Year Hotel. The program, subject to > » SEPT } ° ae ° . slight revision, is as follows: Session 10 to 12 a m -Address of welcomes Mayor Moore of Ph . — nen nigh idelphia I idel pl d rf wn zg yn Address of wel zzanine fi of I > 1 Hot wie Gt A SS 1.00 p. m—Lunel f gard B Stratford White, chairman a mn : the amlagamation 0 p = a - Philadelphia tops ommittee being made i Ir H L ibe Bell Appointment of Declaratic Va , st the United States tellers of electior Mint Po - A en bu ane Exhibition open 9 residentia or Fairmou Park a. m. to 10:30 p. n 3.UU D rhea Noonday Luncheon The delegates from About 1 I . : . al la sight- all the chapters will seeing trip (a ) Va Forge, via Fairmount Park, have a business meet Overbrot W vnnewood I Mawr, et Ample time to ing and luncheon at ijo hia Vall I Ab noon the ladies will the Commercial Mu sartake of a f ylv 1 chicken and waffle seum dinner at W } Va Forge Sight-seeing con- Afternoon Session tinued. retur s g Philadelphia , 20 to 4:30 pnp. m m Report of tellers of Ry ae . election Address of dent-elect Organ re , Wa , and Evening Session sonalls md dt 8 to 10 p. m Visi Cu I x ul Lo ner- JANITZKY WEDNESDAY, SEPT. 15 a1 Museun a hopery Morning Sessior 6.30 nm Sho D for Two Years 10 to 12 a. m 8.45 p. m.—Lad ime for speeches and 632 entertainment of the annual banquet of the society, Grand Ball Bellevue-Stratford Hotel Room, FRIDAY, SEPT. 17 Personally conducted trip to the Navy Yard and visit on various destroyers, battleships and submarines and several ex-German U-Boats, or trip by boat to Chester 8.00 p. m The Philadelph Chapter will entertain with an informal reception and dance in the Clover Room of the Bellevue-Stratford Hotel *apers to Be Presented The list of papers and their authors, to be presented at the convention’s various technical sessions on the morning, afternoon and evening of each day is as fol- lows: J. D New York, “Pyrometers Treating Brown Instrument Co Application to Steel Andrews, district manager Arthur N Armitage Pittsburgh, Alliance Fur- Furnace Co Ohio, “Relative Economy of Electric, Oil and Gas-fired Guy | Bible alesman, H. T. Potts & Co., Philadelphia, Re ( he Ste Salesman to the Development of Heat Tre me A. Bensel, first vice-president, Driver-Harris Co., Harri- son, N. J “High Temperature-Resisting Alloys for Car- yromagnetic Instrument Co., Ch Temperature, Mass and é e Hardening of Carbon Steel.” mes Brakes, Jr., electrical tester, Commonwealth Edi- ( Ctr LZ R ive Economy of Electric, Oil, Gas and ¢ fired Furnac , Mfg. Co., Tank for Tool and Die Peter C} b Angelus Stee Treating Co., Redondo Fors ‘ ratul f High and Low Carbon and A vy Steel I I Coll 1 £ gine lustrial heating de- General Electric Co., Schenectady N. Y “Relative I nal Eeor Elect 1 Fuel F d Furnaces, and Ir ce ( i J nt Efficien |. ».. Cutter, « nax Molybdenum Co., N York, Topic be announced later 4. H. D’Arcanbal, chief metallurgist, Pratt & Whitney Co., Hartford, ¢ “Working Test of High Speed Steel Fun Ed. F. Davis, Celite Products Co., New York, “The j l I fu I I American Gas ASSO tior New York, “Fue ind Their Heat Utiliza Lou i. 2 er ant metallurgist, H. H. Franklin Co., Sy ise, N. Y., “Proper Heat Treatment for Carburized Stee I mad rom Plain Carbon Steels of Different Carbor ( te iS fron tne \ iriou Alloy Steels The Adv iz f Dou Q and Dire< Quench + yn the { Y a W:3 , Supplee-Biddle Hardwa Co., Phila del Heat Res ng Metals.” H ae Bureau of Standard Wasl gt » { r} He Cre Y fa High Chromium Stee ( l G < t and I illur¢g Garford Motor Truck Co Ain Ohio, “The Functions of a Chemist and R. L. Gilman, experimental heat treater, Standard Steel and Bearing C New Haven, Conn., “Carburizing, Harden- ing and Tempering High Carbon Alloy Steels in One Hun dred Thirty Minutes F. A. Ha Phila delpt i H. G Modern American Metallurgical Corporation, announced Topic to be Pyrometry H. H. Harris, Quigley Furnace Spe Cc New York, “Containers Used in Heat Treatn Processes,” O. BE. Harder, associate profess metallography, Uni- versily o Minne La Topic » be ul inced THE IRON Hall, The Bristol Co., Chicago, “The Essentials of AGE September 9, 1999 Dr. J. Culver Hartzell, Dalton Adding Mach wood, Ohio, “The Relation of the Electric Fy Fabrication of Steels with Special Reference t and Physical Changes Produced, and the Relat of the Electric Furnace and the Gas, Oj] Furnaces,” and “The Relation of Chemistry tion of Steels, and the Effects of Small Zirconium, Cobalt, etc., upon the Physical Steels.” ae g Temperature Haux, foreman, Avery Co., Best Peoria, Il in Adapted to Steels of \ Contents.”’ O, C. Hedin, treasurer, Gopher Machine Inc., Minneapolis, Minn., ing Methods.” H. E Sheldon “Progress in Small general foreman spring Wilkesbarre, Pa Heavy Hemstreet, Axle & Spring Co., Axle Forgings for ment of Trucks.” R. L. Herrick, Editor, Raw denum Steel.’ V. E Works, Vaterial, New Y M Hillman, metallurgist, Crompton and K Worcester, Mass., ‘“‘The Efficiency of \ ing Mediums and Their Applications.” I. T. Hook, General Motors Co., Detroit, “Fa ing the Strength of Materials.,’’ Carl Christian Jensen, draftsman, Mahr Mfg. ¢ M Minn., “The Current in the Thermocou ipolis, Morris Johnson, director research dey Steel Co., Pittsburgh, ‘‘Properties and M ture of Heat Treated Flame and Acid Resisting Ste: G. W. Keller, Instru Philadelphia, “Injecting a Salesmanshi; Jobs as Metallurgists.”’ R. B. Kerr, foreman heat treating depart Deere Harvester Works, Moline, Ill., “Hardening Die B and Carburizing Thin Stock”’ W Oo “Economy in the Use of Fred Viall Charles Crucible sales manager, Brown Little — General Fuel Oil.” Kellogg, Combustion Co New Larkin, head of department of me engineering, Lehigh University, Bethlehen P Lessor Manufacture of Munitions and Ordnar Steels Used in Peacefu learned from the in the Heat suits.’’ H. O dation of Treatments of Doherty & Co., New Yo Heating Loebell, Henry L. Steel During the Period of W. G. Lottes, steel expert, International Har\ Chicago, “Various Quenching Mediums and The \ tion.” W. H. Lyman, general superintendent, W Muncie, Ind., “Relative Coal-fired Furnaces,” and Economy of Elect “The Role of the Laboratory in Inspection Depart T. A. Lynch, engineer, Westing! Mfg. Co., East .Pittsburgh, Pa., “The Ma! Treatment of Helical \. F Alloys Steel Co., Relation to the research = High Grade Springs MacFarland, metallurgical eng e! \ Latrobe, Pa Topic to be W. H. Marble, manager, American Stal! 5 Pittsburgh, “Stainless Steel.’’ G. S. MeFarland, metallurgist, Jeffrey Mfg. ' bus, Ohio, “A Research in Case-Carburizing H s W charge of pyromet Facts on P} vr. 72 Co., Jackson, Marshall Tractor Co., McIntyre, in Mich., “Practical Medwedeff, metallurgical eng Janesville, Wis., “The Réle of the M Laboratory in Relation to the Inspection Depar'! J. B. Morey Crucible Steel Co., foreman of annealing i! Dunkirk, N. Y., The Effi Quenching Mediums with Their Practice W. F Mich, “Hardening Saranac Machine Co Tool Steel Parts Newhouse, Small Lead Process.”’ T Y phia, “Most Equipment for Earl W. Pierce, castle, Ind., “The Relation to the Olsen, Tinius Olsen Testing Ma > “ 4 Testing M Recent Developments in test Metallurgical Use. ” ul metallurgist, Maxws Pe Role of the Metallurgica ‘ Inspection Department 4 Geo. Porteous, supervisor of forge Minnesota Steel Co., Duluth, Minn l : ‘ ? tu Open Hearth Steel of Suitable Analysis 7 a ] Aa Manufacture of Hand and Pneu! Tools.” Steel, in the Shear Blades and Kindred Chas. Ring, chief chemist, Ohio » september 9, 1920 i QOhio. “The Annealing and Heat Treatment of ineous Steel Castings.” and F. J. Olcott, foreman Britain Machine Co., New Heat Treating of Chrome B. Smith, metallurgist, g and forging, New nn., “The Forging and Steel Spindles.” Black, Stenger, metallurgical engineer, Thompson & The Effect of Heat Treatment on Fatigue Strength.’ managing editor, Railway Mechanical “Heat Treated Parts in Stuebing New York, Locomotive Szekely, Szekely Co., Moline, IIL, president, O. E announced sachnick. Chicago, “Effect of Repeated Heat Treat- red to Extended Heat Treatment Gas Engineering Co., Heat-Treating Furnaces.’ Voltman, W. S. Rockwell Co., New York, “Factors Selection of Furnaces for the Heat Tres {. Trout, Smith Dayton, Ohio Gas for announced "loo, Iowa. Topic to be Wallace, Wate + general foreman too] treatment department, THE IRON 633 AGE Commercial Heat Treating Plant to the Ultimate Consumer and the work of the Society in the Interests of Both.” Henry Traphagen, metallurgist, Toledo Steel Toledo, Ohio, “Selection of High Major A. E Springfield, Mass High Speed Steel.’ H. O Casting Co., Tools.” Arsenal, Tempering Speed Steels for Bellis, metallurgist, United States and Loudenbeck, engineer of materials, Union Switch & Signal Co., Swissvale, Pa Topic to be announced G. R. Brophy a Miss S. B. Leiter, metallurgists, re- search laboratories, General Electric Co., Schenectady, N. Y., “The True Action of Cyanide in Case Hardening Steel.” R. A neering Co Kunitz, chief er 1ace & Engi- Topic to be announced Springfield H P. MacDonald City N. J “Electrical Heat Tr trated by moving pictures. J. J. deBoves, York, “Heat vice-president Jersey Illus Snead & Co., of Steel.” itment president, Apex Steel New Order.” Corporation, Treating the C. B. Peck, associate editor, and J. C. Marsh, gist, Railway Heat Treating Locomotive metallur- “The Field for Mechanical Enoaineer Chicago Forgings.’ Ward J. L. Thorne, metallurgist, United States High Speed Steel Co., Bethlehem, Pa., “A Practical Aid t Steel & Tool Corp., New York, “Heat Treatment of High of Steels.” Speed Steel.’ {. Wiegand, vice-president, E. J. Codd Co., Baltimore Robert B. Pottinger. 1 nager R. B. Pottinger, Racine, ind Tubular Furnace Doors.’ Wis., “Forging, Welding, Temp g Light Stee Ww yn, president and general manager, Brook Theo. G. Selleck, Alfred O. Blaich Co., Chicago, “Case- ng Corp., Brooklyr N. Y., “The Relatior f the hardening.”’ ° ey « , ° 5 ey ° List of Exhibitors and Their Exhibits A William Laurry, operating department: W Cc. Cutler, and W. R. Shimer, 1les metallurgist FURNACE & ENGINEERING Co., Springfield, Mass BristoL CoMPANY, Waterbury, Conn Exhibiting Bristol I ’ ng new type of automatic furnace, also standard furnace ASSOCIATION, New York. graphs of the industrial use of gether with a few samples of Exhibiting photo manufactured gas machine parts reated in gas fired furnaces Represented by W. A I.beers, industrial fuel engineer. ME \N GAS FURNACE Co., New York. Exhibiting the con par method of carbonizing by gas; also heatir ichines and burners, covering a wide range of heating tions Represented by Paul F. Reichhelm, A. W Ma et, P. C Osterman, G. L. Reichhelm AME METALLURGICAL CORPORATION, Philadelphia Ex & blue prints of designs and suggestions for g heat treatment problems Exhibit in charge of metallurgical engineer CorK Co., Pittsburgh Exhibiting ‘‘Nonpareil’’ g brick for the insulation of boiler settings, fur ver stills and other high temperature industrial ilso “Nonpareil” high pressure covering and he insulation of steam lines, breechings, et« il” corkboard for the insulation of cold ms, brine tanks, etc also “‘Nonpareil’’ cork r brine and ammonia lines and drinking water ! “Circle A” cork brick for floors Repre harge, S. L. Barnes, E. C. Lloyd, of Pitts vezey and Mr. Copestick, of Philadelphia E STEEL Co Dunkirk, N = raw materials ferroalloys, too both in ind cold drawn condition; “L-XX” high speed gs, different types of cutlery made from Atla t gages made from Atlas gage various tools and This com moving pictures illustrating manu steel Represented by Gilbert Philadelphia branch manager Exhibiting steel, f precision er with Oo show dies ¢ cess WwW. D. ’ Love, B PTICAL Co., Rochester Exhibiting various é for use in chemical and metallurgica Y being microscopes, colorimeter iratus Large metallograp! ition Represented by W. L “Bathite,” a substitute for lead used for lead covering instead il is quite new for this use, as lium for many years “Clear is 95 per cent carbon, and that it lasts several times longer thar keeps the lead from oxidizing Repre Be ind E. J. Gossett Elmwood, Conn Exhibiting ead bath furnace Repre entat ¢ Bennett and Walter Heath Co., Bethlehem, Pa Exhibiting tool steel made with Mayari iron i few ited he Sandberg process, which rail} iufacture ; hardened steel r 4 special feature will be a boa ts, fractures and micrographs of a bar it ideal temperatures and improper er A be a frame containing 120 ving various types of microstructures fferent grades of steel receiving different 1iso a large frame of transparencies e operations in the manufacture ng with pictures of coal and iron ore quarries, blast furnaces, open hearth ‘epartment and mills on to the finished ented by C. E. Chamberlin, sales agent and recording, also Represented by H. L indicating controllers manager pyrometers, temperature general sales pyrometer Griggs, Cc. H. Brown, Detroit Exhibiting ‘“‘Timeographs,” a new instrument designed espe lly for heat treating opera- tions of steel A new automatic “Timeograph” will be demonstrated which works automatically on any pre- determined time Represented by Clair H. Brown and Clair P. Brustmaker BROWN INSTRUMENT Co., Philadelphia Exhibiting high and low temperature measuring instruments, including indi- cating and recording pyrometers, recording thermometers, resistance thermometers, indicating and recording in- struments for pressure, vacuum, speed, time and opera- tion; latest developments in pyrometry that will be of interest to metallurgist and chemist will be demonstrated. Represened by J. D. Andrews, New York district; M. A. Leister, advertising manager; Geo. W. Goodman, R. B. McGafferty, C. D. Porterfield, O. W. Stowe, service engineer Bupa Co., Chicago Exhibiting industrial trucks in opera- tion BUREAU <¢ STANDARDS, Department of Commerce, Washing- ton Exhibiting photographs showing melting furnaces for production of ferrous and nonferrous alloys, including a quarter-ton Heroult type unit and a carbon plate re ( sistance furnace; equipment for hot and cold working of metals and alloys, including our single stand 16-in rolling mill, 150-ton forging press and heavy draw- furnaces available for thermal treatment, includ- testing equipment, ory, apparatus used for equipment for the detection and location of in- bench ing gas and oil-fired and electri including metallographic the Standardization : magnetic surveys fi t units labora thermocouple: ernal flaws in steels, thermal analy outfits, ete There also will be exhibited a series of transparent micrographs illustrating the tructures of metals and alloys, samples of worked meta pure crucibles for production of pur metals a temperatures, standard refers é Lge chemical sam- ple for i tory trol, pur metals for thermo- couple standardization, « The publication of the bureau will also be exhibite Represented by H. J. French, A. T. Derr G. W. J ( Cc CELITE P1 ucts ‘ New York Exhibiting “Sil-O-Cel” t } vder f eat insulatior also Celite high temper ire ement for laying facing and patching firebricl su ¢ ¥ ind “Cealoeote’’ for water- proofing S 0O)-Ce I j ( CARBORUN um C Niagara F ik me Se Exhibiting its line of refractory CASE HARDENING SERVICE Ci Cleveland Exhibiting “Boh- nite case hardening mpound and several samples of ise hardening work d X Represented by W. C 3¢ president, and W. H. Bell, sales inager E. J. Copp Co., Baltimore Exhibiting chain furnace doors. CHICAGO FLEXIBLE SHAFT Chicago Exhibiting high speed ste hardening unit I ting of two oven fur- nace for preheating ven furnace for high peed steel hardening j eo with Maxon pre-mix ners This unit w operation The rnaces t ‘ A exular No °6 oven nace and No. 1 fur? é CRUCIBLE STEEL Co. 0 AMERICA, I idelphia Exhibiting various cold drawn sectior nd shapes, alloy steels in the form of ball bearings ar roller bearings, high speed drills. dental and surgical tools. also steels that are impervious to the effects of sulphur nitric and other acids: dies of all kinds for tuth hot and cold work, ‘ intricate and delicate nature that are principally of an 634 THE IRON AGE September 9, 1920 difficult to manufacture and harden successfully. Rep- rest nted by J. Ww Taylor and F. J. White, home office FE. H. Cooke, J. W. Barnett, R. B. Juni and A. L Bradley DEARBORN CHEMICAL Co., Chicago Exhibiting quenching oils, drawing oils, cutting oils, chemical cieaners, rust solvents and the company's ‘‘No-Ox-Id” rust preventive The “No-Ox-ld is a chemically compounded rust pre- ventive, incorporated in a non-drying, non-hardening base of varying consistencies to meet different rust preventive problems under widely different conditions Representatives in charge, Porter G. Jones, manager; J. E Gassenme l Philadelphia office Charles A. Remsen manager of Washington office; E. M. Converse, director gepartment of specialties; A LD Melivaine engineer department of specialties HENRY DISSTON & Sons, Philadelphia exhibiting Disston metal cutting saws and files and D on crucible saw and steel A feature of the teel display wi be show- ing Disston steel in proces of manufacture This will be accomplished by showin i number of crucibles, with their contents, taken from the fire it different t es of the melting process \ number of steel ingot ired to show their structure, will also be on display metal cutting saw and file exhibit will consist of an clive arrangement of finished saws and files; Diss ectional interlocking circular milling aws, na both power nd hand; screw otting saw meta ng saws, and Disston files of al kinds Repre ented by Engl ind Dorringtor 1) ton Salesmen, and \1 Merzb I DRIVER-HARRIS Co., Harrison, N. J Exhibiting cast nichrome mntainers and castings Operating at carbonizing tem peratures. Represented by A. Bensel, first vice-president ; J A. Delves, sales manager J. B. Shell iles engi- G. A. Ricke i\ nage = PCTRIC FURNACE CONSTRUCTION Co., Philadelphia. hix- hibiting parts and details of material used in the con ruction of the company’s electric heat treating and nne ing furnaces ilso a section of wall showing ar rangement of electric heating elements, fire brick and heat insulating brick ill for high temperature work ilso a low temperature equipment, consisting of core oven, electric heating elements and oven truck will be own Represented by F. Hodson, H. H. Twose, F. W Brooke, N. Neville, G. P. Mills CHARLES ENGELHARD, New York Exhibiting Engelhard LeChatelier pyrometer, which is an automatic tempera- ture regulator of recent development; a new base metal thermocouple and a new multiple-record pyrometer re- cording instrument, having frictionless moving system; ilso laboratory electric furnaces and “Impervite”’ re fractories Represented by E. S. Newcomb and C, W Hubbard e FAST FEED DRILL & TooL CORPORATION, New York Exhibit ing drills and tools FEDERAL TooL & ALLOY STEEL CORPORATION, New York Ex- hibiting Swedish and domestic tool steels, Swedish and domestic mining drill steels, both solid and hollow sec- tions; Swedish charcoal Lancashire bar iron; Swedish iron welding wire for both oxyacetylene and electric welding; high speed steel; drill rods; “Sisco’’ super machinery steel FERGUSON FURNACE Co., Toledo, Ohio Exhibiting blue prints and literature covering company’s furnace equipment Represented by George Hoeffle, New York office; Gus Bluemel, engineer. ForpD CHAIN BLocK Co., Philadelphia Exhibiting ‘“Tribloc”’ hoists and screw gear hoists in sizes commonly used in foundries and forge sho; Represented by J. V. Kelly and G. A, Pack, salesmen G WILLIAM GANSCHOW Co., Chicag: Exhibiting automobile, truck, tractor and all kind of heat-treated finished gears in general also company’s spur gear speed re- ducer Represented by W C. Tyler, eastern repre sentative. GPNERAL ELEcTRIC Co., Schenectady, N. Y. Reception booth GRISCOM-RUSSELL Co., New York Exhibiting company's “Multiwhirl” cooler for the cooling of quenching oils used in the heat treatment of steel. This cooling of quenching oil permits continuous use of quenching bath and eliminates the possibility of excessive oil temperature and consequent fires. It is claimed for it that it insures uniform hardening in quantity production; also showing “G-R” strainer, which is designed for installation in the circulating oil line of quenching systems, its purpose being to prevent any scale or other heavy matter from entering the ‘“Multiwhirl’ cooler and clogging the oil path Exhibit in charge of K. B. Millett, development engineer, and EF. H. J. Dillon, manager of Philadelphia branch office H GEORGE J. HAGAN Co., Pittsburgh. Exhibiting electric heat ing appliances as applied to the heat treatment of steel ind electric heat treating furnace completely equipped with automatic temperatures ontrol Represented by A. D,. Dauch, F. W. Robertson and R. E. Talley, chief engineer HALCOMB STEEL Co., Syracuse, N. Y Exhibiting tool and alloy steel ingots and billets, finished bars, both hot rolled and cold drawn, finished tools and parts of tool and alloy steel Represented by H. H. McChesney, J. S Marlowe, M. P. Spencer, J. F. Kirwan, A. Schroeder HEPPENSTALL ForGE & KNIFE Co., Pittsburg] Exhibiting die blocks and dies broken due to improper heat treatment shear knives, also heat treating products Houz & Co., INnc., New York Exhibiting apparatus of high quality for metallurgical and magnetic test search work, in operation. HooveR STEEL BALL Co., Ann Arbor, Mich. Exh balls in all steps of their manufacture. Rep H, G. Freeland, metallurgist. HoskINs Mra. Co., Detroit. Exhibiting electric ir treating furnaces, indicating and recording and “Chromel” heat resistant castings. A furnace will be shown, which is characterizé« ness and the ease with which the user < heating element. Another feature of interest demonstration of how the user of Hoskin can make his own thermocouples, by mere! the required length of thermocouple wit two coils of wire, twisting them together and welding the twist with an oxy-acet Represented by Charles S. Kinnison, W. D. | Zimmerman and A. L. Malmstrom, E. F. Hovucuton & Co., Philadelphia. Exhibitin; products, which have their application in hea hardening and other processes applicable iron, with special emphasis on quenching burizing compounds and rust preventives charge of George W. Pressell, head of con search staff, assisted by Felix Shay, genera ager; J. A, Murphy, assistant general sale Franklin T. Chapman, Philadelphia district ager; Martin T. Becker, Connecticut sal Walter A. Buechner, Pittsburgh sales manag: W. Kelley, Cleveland sales manager; Kk. W Newark sales manager; Thomas B. Maxfie!l sales manager; Alton S. Hull, Walter Andre Doerr, J. William Walsh, Edward A. Krueger, | Giles, Gregory A. Oliver, F. A. B. Harris, H Seward, John Weber, John Powers, F. V. Armat { Simmons, Walter L. Reading and H. E. Washbu J B. M. Jones & Co., INc., New York Exhibit high speed steel and Taylors’ Yorkshire ‘. LEEDS & NORTHRUP Co., Philadelphia. Exhibiting: indicating pyrometers, apparatus for transf determinations, automatic temperature cont! ! equ ment for precision checking of thermocouples ‘ ecia feature will be a number of electric furnaces for th Hump method of heat treating steel. This equipment will be in operation. Visitors are invited to bring in any small tool or punch and die, except high speed stee for treatment by the Hump method Represe! y G. W. Tall, Jr., E. B. Estabrook, H. Brewer, O A. E. Tarr, A, M, Regging. IE. Leitz, INc., New York. Exhibiting laboratory apparatus LUDLUM STEEL Co., Watervliet, N. Y. Exhibiting hot roiled annealed and hardened fractures of various | tool steel. M Macteop Co., Cincinnati Exhibiting photographs ot! blast installations. Represented by Walter Mack T. B. MacCabe. MaHR Mra. Co., Minneapolis. Exhibiting oil and gas burt: ing equipment, Mahr furnaces for heat treating - ing, etc., and the Mahr calorizor; models of furn exhibition will be so arranged as to distinctly show circulation of gases in a correctly designed heating ‘ ber and also in one of incorrect design. Represente R. B. Ecker, H. H. Keeler, H. A. Anderson MesTaA MACHINE Co., Pittsburgh. Exhibiting large | graphs, drawings and bulletins on pickling, tepresentative in charge, J. H. Snyder, mecnat gineer. MeraL & THERMIT CORPORATION, New York. Exhibiting ous metals and alloys as. are produced ninit ; thermic process A special feature at the exhib be “Tungtabs,” a pure tungsten powder made If H form without binder. Representatives in charpe, - Spilsbury, mechanical engineer, and Arthur F. Braid MIpvVALE STEEL & ORDNANCE Co., Philadelphia Exhit Ung steels, including various Midvale extra high rts — Represented by Ward A. Miller, H. E. Rowe a™ sales representatives. ; ALEXANDER MILBURN Co., Baltimore. Exhibiting @". generators for welding, oxyacetylene welding ; are lene ting torches, and new types of acety! nt unv’s compan regu devices and kindred apparatus. The th cuts and bination welding and cutting torch, which = eT welds with equal facility, will be demonstratec. regulator for the control and delivery 08 1 1) ox oxygen, hydrogen and various other gases © hibited for the first time; other apparatus S™\. heating burners, powerful portable acets pal Oviatt also be exhibited. Represented by E. F seals representative for Philadelphia ; J. A. Scniek E. Mitchell — MopERN EQuIPMENT Co., Taunton, Mass. | I e eheating types of Eaton electric furnaces BOF Pr aata tempering Represented biy James A. F aaa tary, and Frank True Durgin, electrical ©'5 oO ; { S. OprerMAYER Co., Pittsburgh Exhibiuns ~ su : furnace cement for the lining of 4 cupolas, forging furnaces, heat tre other places where high temperatures ; connection with this demonstration 4 ©"... g nace running a temperature of about ») 7), oi w will be used to demonstrate that “Hot Ae feature © stand expansion and_ contraction A wTeso” hydroe exhibit will be the demonstration OF "" ood by absorber for use in picking baths. — Frohman. J. L. Cummings, H. E. © Hildebrand ptember 9, 1920 THE IRON AGE 635 OLSEN TESTING MACHINE Co., Philadelphia. . Exhibit- furnace. thus eli! ne the necessity of an operator testing machine in ecperation having to stand direct heat of the furnace when , STEEL Co., INc., Syracuse, N. Y Exhibiting high it Is necessary t 1 the doors In addition to the steel. furnace room eq nt, part of which will be shown in actual operation, company will exhibit a full line Pp of pyrometer equipment and “Tapalogs,” as well as the Ss. C. & H. oil system The company will also show VANIA Force Co., Philadelphia. Reception booth No. 21 furnace, which is arranged for oil fuel, and No ented by Charles ¢ Davis, president 4. P. Buf- 55-A furnace, which is arranged for artificial gas fuel, I manager die block department H. C. Platt, and No. 498 furnace, also arranged for artificial gas Scott, F. W. Dilks, D. V. Foster, sales manager fuel Represented by R. Wooler, Philadelphia repre- H INSTRUMENT & MACHINE Co., Pittsburgh Ex sentative, and S. Tache, Jr., furnace engineer. ng Brinnel testing machines, including a new type SUPPLEE-BIDDLE HARDWARE Co Philadelphia Exhibiting horatory and toolroom; Pittsburgh metal sheet heat resisting metals for which the trade mark “Pyroloy” nd metallographic grinding machine has been adopted combined of the Greek word “Pyros,” P< & Co., Philadelphia Exhibiting tool und eee and the word ulloys tepresented by ¢ 1 made from various grades of too Sa) I Biddle, Jr., vice-president George Ww Franzheim, Potts rand. Representatives in charge, Charle + paceman engineer ; Myall, of Munk « Myall, A m Potts, Guy P. Bibl William Elmer Titus Monadnox k Block, ¢ : kb. Wister. ¢ leveland ; R ie ' : H. Cunningham, n of Hiram Walker & Sons NETIC INSTRUMENT Co., Chicago Exhibiting pyro Metal Products Co le Ont gnetic instruments In operation The instrument to he insite eee a cea . . ie or = yn is something new in this particular line, and ™~ tal Png go Co., New York e es ‘ng yn eee: wel ttoalf sarhd toa > . ie tart iaCce eat ardening irnace orge turnace i ( > ts itself to carbon steel and carbonized mater heating f ~ sree. sd y William Hepburn and Morris Q T “URNACE SPECIALTIES Co., INC., New York. Exhib TACONY STEEL Co., Philadelphia Exhibiting Tacony die heat treating equipment, including carbonizing ar blocks and Tacony alk piston rods Represented by ling boxes and cyanide, chloride and lead po Paul J. Driscoll, general sales manager; H. A. Baxter, mpite,” a high temperature refractory cement for metallurgical engineer, and members of the sales force r fire brick and granular refractory materials TATE-JONES & Co., INC Pittsburgh Exhibiting blue prints for repairing furnace linings of all dest riptions catalogs, circulars, et describing complete line of oll nd,” a highly refractory fire sand for use in burners, pumping systems and furnaces; also special g furnace linings, special shapes, patches and re descriptions and blue prints of their rotating hearth aes .Insulbt Xx, a specially prepared cellular carbonizing furnace which has recently been developed to y brick for insul iting furnace walls and s ruc for continuous _carboniz ng work Re presented by M for the conservation of heat, and Quigley powdered K. Epstein, Philadelphia representative W. M. Smith equipment for the pre paration, distribution and burn New York representative W. L. Munk, Chicago; James pow nee oe in boilers aus, eemneee. se pre H. Knapp, vice-president ves d l er ice-presidae a \ ‘ ade ° . ou. ‘ . - " tary; F. W. Releman, sales manager; H. B barr RO ee eee ee rey tale rf ‘ ‘ +. nake Of double t orging steel, nade especis ge metals division; C. Gantzman r the drop forging trad This ; : sooluel of mall open hearth furnaces and special rolling practice R develoned at comnar works, Cumberland, Md Repre- sented by H. N. Taylor. president: R. C. Drinker. consult- . ra ing metallurgist Isaac Berman, works metallurgist Bros, TESTING MACHINE Co., Philadelphia Exhil Hart Muschenhein tes ne ‘ IIT , ) Y , S. Row we Ga. tear tae wea Will distribut maar a THOMAS Co., Philadelphia Exhibiting Kelley graphs bulletins ind other tematare saint “=; clectrometrsc ae ae outfit for — ae Ses accurate ; S : , = ; ‘> ale linati< romium r r ne ne -2e new and improved types of furnaces Represented ies Bieler aul "Nort ” es oeien tre in oe aye J. A. Brown, M. L. Hollister, H. J. N. Voltman: termination of carbon ir teel by the direct combustion {AN CHEMICAL Co., Verona, Pa Exhibiting carbonizing method using “Ascarite,”” the company’s trade marked terials with samples of carbonized steel preducts sodium hydrate asbestos absorbent; also grinding and Represented by Perry, Webb and Rodman polishing machines for grinding metallographic speci- ER & HASSLACHER CHEMICAL Co., New York Exhib mens, analytical balances of Troemeer and Newton manu- npany's cyanide products used in heat treatmen facture and other specialties used in steel works metal- irface hardening of steel. as well as in copper urgical and chemical laboratories tepresented by R g for localizing in connection with case hardening M. Miller, sales manager; H. C. Roak, assistant sales these chemicals are cyanide soda 96-98 per cent, managér, and C. C. Roberts, technical representative hloride mixture 73-76 per cent, and R. & H THWING INSTRUMENT Co., Philadelphia Exhibiting record- lener and copper cyanide tepresented by Dr ng instruments gg, William M. Gager, M. E. Stewart and C. H U U. S Hicun Speep Steet. & To CORPORATION, New York S Exhibiting high speed tools, manufactured under the company’s own processes Represented by J. L. Thorne, QUIPMENT SERVICE Co., Cleveland Exhibiting R. Boyd Burleigh. manager of Philadelphia district, and hospital equipment, sterilizers, first aid equi Ralph Dudley, sales manager initary drinking fountains. playground equ ifety clothing, individual towels and drink 1 i irious other safety equipment Represented v W. Nutt, B. Frank, H. L. Wood and T. P. Sculls M ‘o., Pittsburgh Exhibiting Brinne! VANADIUM LLOYS STEEL Co., Pittsburgh Reception booth 1achines Snintine® anttent hana Represented by John Theis, Philadelphia manager; W. F optics pyrometer and other equi} pa f Buffington, Fred C. Coma D. J. Slowe, H. F fardwell, t . , New York manager EF. FP. O'Connor, W M Burdick, D. A. Black, Boston manager Cc. E. Karle, W. R. Mau MILLs, Lockport, N. Y Exhibiting furnace in and PR geo _" -rucible Chicago manager \ G Henry R L Dau Cleveland om peu manager 4. F. MacFarland, metallurgist and Detroit aN Ae RING Co., Dayton, Ohio Exhibiting the manager. 7 Trout A extractor. Represented by D. VAN NosTRAND Co., New York Exhibiting books relating a+» rout, illiam |} any aa 2 Staples and to the iron industry and industrial chemistr featuring : such books as Rogers’ “Manual of Industrial Chemistry.” NI Co Hartford, Conn Machine n operatior Charnock’s “Mechanical Technology.” Richards’ “Forg- r tor various furnace manufacturers The ing of Iron and Steel” and Cauch's “Dictionary of urbo compressor will be shown in the booth Chemical Terms.” Represented by A. G Heany and ve in charge, S. E. Phillips, secretary E. M. Crane Stratford, Conn. Exhibiting Fuller auto fur WwW regulator, adapted for fuel-oil or gas pecial feature is a fuel-oil controller, the vhich, Mr. Fuller, will be on hand to explain EpcAR T. Warp’'s Sons ) I tor Exhibiting tool steels and steel specialties INEERING Co., Detroit. Exhibiting severa WAYNE OrL TANK & PuMpP ¢ Fort Wayne, Ind Evhibiting lard furnaces for the tool room. consisting two furnaces, one of the ov. type and one of the forge d steel furnace, one carbon steel furnace. type One of these furnace will be fitted with a Wayne yanide hardening furnace and one oi oil burner and the other with a Wavne combination gas nace Represented by George H. Willett and oil burner. Represented by S. D. Richard, manager Mis assistants F. A. Calhoun, Eastern engineering sales: E. B. Lipsett, engineering salesman nd his associate, Mr. Baad and A. P. Hitzeman, engineering salesman ‘G LaABoraToRY, Pittsburgh Exhibiting WHEELOCK, LovesJoy & Co., INc.. Cambridge, Mass Exhibit- ng machines in operation ing the company’s various “Hy-Ten” alloy steels consist- EQUIPMENT Co.. Detroit. Exhibiting _ ex- ing principally of. Lutomobil and machine tool parts urizing work done without compounds Represented by the following E. P. Gaffney. Chicago Vn as “Steco’. No. 4 and No. 6. and “Plas- district manager ; Ww H. W add neton, New York district ‘Steco” No. 4 and No. 6 . ars manager; H. M. Foster ules engineer: H. T. Stewart. hardening, while the “Plastico” is sales engineer; A. E. Hunt, assistant to v ce-president ; A mpound in plastic form usé . T. L. Kirkpatrick, manager of “Hy-Ten” department Bent EK. H. Marot, sales ma er, in WIDNEY TEST LARORAT : Cy} ig Exhibiting Widney ' modulimeter, testing apparatus to determine important HAMMOND Co., Cleveland. Exhibiting physical properties of sté nd other metals. Repre irranged for artificial gas fuel. and sented by S Ww Widney, pre ‘ t ind general manager, irranged for oil fuel These two and R. G. Guthrie, director of tests of the company’s line of annealing WHILSON-MAEULEN Co., New Yorl Exhibiting indicating furnaces. each being equipped with pyrometers and the company’s multiple record pyrometer rever t the work from overhanging recorder the “Tapalog.” 11s tne Rockwell hardness ) , 1 Iso eauipped with a hand tester. Represented by several principals of the sales aa } { } ng the door from the side of the and engineering staffs sn on. Heat Treating Automobile Drive Shafts New Plant of the Timken-Detroit Axle Co.—Furnaces Have Flues in the Doors —Waste Gases Used for Pre-Heating placed in operation a new heat-treating plant which has several interesting features in equipment and arrangement. Among these is a continuous furnace of the pusher type for anneal- ing automobile drive shafts and other heat-treated parts. The plant is equipped with 28 oil-fired heat- treating and carbonizing furnaces, these being di- vided into three batteries. One type used for car- Tn Timken-Detroit Axle Co., Detroit, recently ‘3 i 8 Arrangement of the pit that extends The Heat-Treating Plant, Showing the bonizing consists of single chamber furnaces 8 ft. wide 8 ft. deep with two doors. The second type is a double chamber furnace with chambers 5 ft. wide and 5 ft. deep. Both these and the large fur- naces have their hearths on a level with the floor. Furnaces in the third battery are similar to those in the second in size and design, but their hearths are 2 ft. above the floor. These furnaces are used for lighter work. A distinctive feature of the furnaces is that The Pusher Type Furnace in the Plant of the Timken-Detroit Axle Co., for Annealing Auto Driving Shaits. *| arms shown in front of the door. : gravity conveyor, several of these plates appearing in the picture at the disc! conveyor 636 pushed through the furnace by the chamber are returned on the along they have flues in the doors at the front to provide sufficient draft to bring the hot gases up to the doors and prevent cold spots in front of the doors. These flues, three in number, in each door are 4 in. outside diameter in the large furnaces and 315 in. outside diameter in the smaller and extend up a distance of about 30 in. from about 2 in. above the furnace floor. In some of the furnaces the flues are built in the doors and others have a flue pipe in front of the door connecting with an To ae AO net: ® coe The oil lines and valve connections are located wall Furnaces. the outer elbow that extends through a hole near the bot- tom of the door. The flues can be equipped with dampers if desired. Waste gas passes to the back of the furnace and around a coil through which the incoming alr is delivered by the blower. This coil provides a preheating chamber for the blast. Back of the furnaces, which are arranged in a straight row at one side of the building in line with the interior building columns, is a concrete trench 4/2 t . ; eye Plates on which the work is carried th! September 9, 1920 et a | Their floor level in front of into the Have Flues Doors d on the Furnaces in th qt ] ¢ locale deep in which is located the oil lines